Industrial Hydrofluoric Acid
[Molecular Formula] HF
[Molecular Weight] 20.01
[Properties]
Clear colorless fuming liquid,very easy to volatilize, to produce fluoride when reacting with metal salt, oxide and hydroxide, strong corrosion.
[Uses]
It is used as raw material to produce organic and inorganic fluoride, used in etching of glass, finishing and polishing; also used in cleaning of metal surface.
[Quality Index] Standard: GB7747-87
Item
|
Excellent Grade |
First Grade |
Second Grade |
F-40 |
F-40 |
F-55 |
F-60 |
F-40 |
F-55 |
F-60 |
HF, % ≥ |
40 |
40 |
55 |
60 |
40 |
55 |
60 |
Fluorosilicic Acid(H2SiF6),%≤ |
0.02 |
0.2 |
0.4 |
0.5 |
0.6 |
1.0 |
1.0 |
Sulfate(SO4), %≤ |
0.02 |
0.05 |
0.08 |
0.4 |
0.6 |
0.8 |
1.0 |
Iron(Fe),% ≤ |
0.005 |
0.1 |
- |
- |
- |
- |
- |
[Package] plastic barrel, net weight: 7kg,10kg or 25kg/barrel; iron-plastic barrel, net weight: 50kg or 200kg/barrel.
| |
first grade: F-40:4500yuan/ton; F-55:5500yuan/ton; F-60:6200yuan/ton
second grade: F-40:3800yuan/ton; F-55:4200yuan/ton; F-60:4600yuan/ton |
|
